/*
 * Copyright (c) Huoty, All rights reserved
 * Author: Huoty <sudohuoty@163.com>
 * CreateTime: 2020-08-26 18:19:04
 *
 */

#include <iostream>

using namespace std;



int main(void)
{
    int i = 10;

    {
        string s = "hello world";
        cout << i << endl;
        cout << s << endl;
    }

    cout << s << endl;

    return 0;
}
